Posts Tagged article

Lessons Learned: TRT

NOTE: What follows is not medical advice and should not be construed as such. Speak to your doctor before acting on anything you read in this blog. The author is not responsible for any damage resulting from this or any other post. Take responsibility for your own life. As I mentioned way back in my […]

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Troubleshooting Common Networking Problems with Wireshark, Pt. 6: Finding the Source of Network Delays

Author’s Note: This is the last part in a six-part series about finding and solving many networking anomalies using the Wireshark network protocol analyzer. If you are new to the series, you can find part 1 here, and the whole series here.It may seem surprising in this age of ubiquitous Gigabit Ethernet connections, but many […]

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Troubleshooting Common Networking Problems with Wireshark, Pt. 5: Broadcast Storms

Author’s Note: This is the fifth part in a six-part series about finding and solving many networking anomalies using the Wireshark network protocol analyzer. If you are new to the series, you can find part 1 here, and the whole series here.Broadcast storms occur when a host floods the subnet with broadcasts. This is not […]

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Troubleshooting Common Networking Problems with Wireshark, Pt. 4: Application Layer Inspection Problems

Author’s Note: This is the fourth part in a six-part series about finding and solving many networking anomalies using the Wireshark network protocol analyzer. If you are new to the series, you can find part 1 here, and the whole series here.Application layer inspection refers to a technique employed by many firewalls and some routers […]

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Troubleshooting Common Networking Problems with Wireshark, Pt. 3: MTU Problems

Author’s Note: This is the third part in a six-part series about finding and solving many networking anomalies using the Wireshark network protocol analyzer. If you are new to the series, you can find part 1 here, and the whole series here.Maximum Transmission Unit (MTU) problems are still one of the most common calls received […]

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Four Rookie Lifting Mistakes, and a Simple Guide to Success

This is an article that’s been floating around in my head for over a year now, as I’ve seen people , over and over, despair over their inability to have any major success at lifting. In some cases, these folk just started, but in others, they have perhaps been lifting for years and still haven’t […]

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Troubleshooting Common Networking Problems with Wireshark, Pt. 2: TCP Retransmissions

Author’s Note: This is the second part in a six-part series about finding and solving many networking anomalies using the Wireshark network protocol analyzer. If you are new to the series, you can find part 1 here, and the whole series here. TCP Retransmissions in traces are a very common problem. And while TCP retransmissions […]

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Troubleshooting Common Networking Problems with Wireshark, Pt. 1: TCP Checksum Incorrect ‘Error’

Author’s Note: This is the first part in a six-part series about finding and solving many networking anomalies using the Wireshark network protocol analyzer. I originally wrote these for the Microsoft Enterprise Networking team back when I worked there to help new engineers understand and resolve common cases, so they are written for people with […]

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Original Artwork for the Infinity Symbol

Below are the four designs I worked on for the infinity symbol for the logo. The original idea was to go for something that looked kind of like a chain link that had been twisted into an infinity symbol. My first attempt at it was using a pens/brushes and smudge, primarily, to try and make […]

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Linux and Networking: Too Much Fail for One Configuration

So, this is a problem that I’ve spent a day or so working on at work, and it goes like this… A router (Linux, running ZeroShell) is configured with three interfaces, as shown in the following diagram: In this case, the network has a configuration problem in that PC1 is configured with a default gateway […]

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